package cn.lucky.面试题;

/**
 * @author lucky
 */
public class Test02 {
    public static void main(String[] args) {
        Integer i1=100;
        int i2 = 100;
        Integer i3 = Integer.valueOf(100);
        Integer i4 = new Integer(100);
        System.out.println(i1==i2);
        System.out.println(i1==i3);
        System.out.println(i3==i4);
        System.out.println(i2==i4);
    }

}
